this derivation will be built:
  /nix/store/hfsr7w4i0mvl57jc6iyzdq3kqfp5gvnk-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hfsr7w4i0mvl57jc6iyzdq3kqfp5gvnk-bcachefs-module-7.0.0-39-generic.drv'...